| reinforce(verb, support, encourage, raise, stimulate) |
| trigger(verb, touch, start, encourage, raise) |
| agitate(verb, bother, disturb, touch, raise) |
| charge(verb, increase, promote, stimulate, stir) |
| hearten(verb, encourage, raise, stimulate, excite) |
| impel(verb, move, make, drive, cause) |
| instigate(verb, move, make, drive, bother) |
| refresh(verb, promote, encourage, raise, stimulate) |
| foment(verb, bother, disturb, touch, encourage) |
| liven(verb, promote, stimulate, excite, boost) |
| recharge(verb, revive, enliven, invigorate, revitalize) |
| set in motion(verb, expression, idiom, form, start) |
| spur(noun, verb, move, make, drive) |
| start(verb, form, bother, disturb, raise) |
| switch on(verb, expression, phrasal verb, form, touch) |
| work up(verb, expression, phrasal verb, move, make) |
| arm(verb, boost, strengthen, animate, activate) |
| enable(verb, boost, strengthen, animate, activate) |
| enkindle(verb, encourage, overcome, stimulate, restore) |
| goad(verb, make, bother, cause, disturb) |